Bidding on Competitor Brand Names: Legal, Smart, or Both?

Somebody sends you a screenshot: a competitor's ad sitting above your own name in Google. Your first instinct is to do it back to them. Before you spend a dollar on that, understand three separate questions that get mashed into one — is it allowed, is it profitable, and what should you do about your own brand term.

The answers are: yes, usually no, and it depends on a test you can run in two weeks. Here's the whole thing.

Is it legal to bid on a competitor's brand name?

Yes — Google's own trademark policy lists “using trademarks as keywords” as something it will not restrict. That is the policy text, straight from Google's Trademarks policy. Buying the keyword is not the violation. What you do with the trademark inside the ad is a separate question with a different answer.

Google also says it will not restrict use of a trademark in the second-level domain of an ad's display URL. And a trademark owner's complaint only reaches specific advertisers Google can identify by URL, in the countries and industries where the owner has actually demonstrated trademark rights.

Two caveats worth naming plainly. Google's ad policy is not US trademark law — Google can allow something a court later decides is infringement, and a cease-and-desist letter from a rival's attorney is a separate cost from a Google policy strike. And in some regions Google applies stricter rules than it does in the US. If you serve US markets only, the policy above is the one that governs you.

Can you use a competitor's name in your ad copy?

No, not if you are a direct competitor. Google's policy explicitly says it will restrict “using trademarks in an ad from a direct competitor,” plus any ad using a trademark in a confusing, deceptive, or misleading way. The trademark must be used in the ad, not just on the landing page, for a complaint to bite.

There are exceptions, and they are not for you. Google carves out resellers whose landing page sells the trademarked product, informational sites whose page is primarily about that product, and ads that use the word descriptively in its ordinary meaning. A plumbing company running ads against another plumbing company is none of those three.

The enforcement path matters: Google says a Trademarks violation gets a warning at least 7 days before any account suspension, and if it upholds a complaint the restriction generally sticks to every ad using the same second-level domain in its final URL. So it is not one rejected headline — it is a domain-level restriction on your account.

Practical version: the rival's name lives in your keyword list, never in your headline. Your ad has to win the click on your own claim, against a search where the person already typed someone else's name.

Does conquesting actually pay, or just raise everyone's CPCs?

Usually it just raises CPCs. A series of large-scale controlled field experiments run at eBay and published in Econometrica found that brand-keyword ads had no measurable short-term benefit, and that returns from paid search overall were “a fraction of conventional non-experimental estimates” (Blake, Nosko & Tadelis, NBER Working Paper 20171).

That study is about a brand bidding on its own name, but it tells you something brutal about the neighboring bet: brand searches are the highest-intent, most decided traffic on Google. If ads barely move the needle when the searcher already wants you, think about what they do when the searcher already wants someone else.

Then the auction math turns on you. Your Quality Score is built from expected click-through rate, ad relevance, and landing page experience — all three are structurally weak on a rival's brand term, because your ad cannot say their name and your page is not about them. Low Quality Score means you pay more per click for a worse position. See how Quality Score actually sets your CPC.

And it is reflexive. They see you in Auction Insights, they bid back on your name, and now both of you are paying Google to defend traffic you each used to get for free. The only guaranteed winner in a conquesting war is the auction house.

When is bidding on a competitor worth it?

Two situations, and only two. First: they are already bidding on your brand name, and a defensive-mirror campaign is a negotiating lever, not a growth channel. Second: you have a real, provable, checkable difference on the exact thing their customers complain about — and a page that proves it.

Honest verdict: for most US service businesses, conquesting is a distraction. If your non-brand, high-intent keywords are not yet at 90%+ impression share, every dollar you move into a competitor campaign is a dollar taken out of the auctions you can actually win. Fix the attribution problem that stops you knowing which ad dollar made money before you open a second front.

What landing page do you need for a competitor campaign?

A comparison page, not your homepage — a page that names the specific decision the searcher is making and answers it in the first screen. Someone who typed a competitor's name is mid-evaluation. Dropping them on a homepage that opens with your tagline wastes the click you just overpaid for.

What that page needs: a plain statement of who each option is right for, a comparison of the two or three things buyers actually decide on (price, contract length, who does the work), a candid line about who should pick the other guy, and one clear next step. If you cannot write the candid line honestly, you do not have an edge — you have an opinion, and you should not be paying for that click.

One trap to sidestep: Google's policy carve-out for informational landing pages is written for resellers and review sites, not for direct competitors. Building a comparison page does not buy you the right to put the rival's trademark in your ad text. The page justifies the click. It does not unlock the headline.

This is a conversion problem before it is an ads problem. If you are unsure the page can carry the traffic, it is exactly what a paid ads program should be building for you before it spends a dollar in the auction.

Should you bid on your own brand name?

It depends, and the two best studies in existence disagree — which is why you test rather than believe. Google's own research ran over 400 search-ads pause studies and found that 89% of the clicks from search ads were not replaced by organic clicks when ads were paused (Google Research, 2011). The eBay experiment above found zero measurable short-term benefit from brand-keyword ads.

Both are real. Google's number covers all search ads across many verticals, not brand terms specifically, and Google sells the ads. eBay is a single, enormous, extremely well-known brand — the opposite of a local roofer whose name nobody types. Your answer is somewhere between the two, and it is knowable.

Three conditions that push a service business toward yes, bid on your own brand: a competitor is bidding on your name; your brand SERP has other people's ads above your listing; or your name is a near-generic phrase (“Metro Dental”) that pulls searches that were never looking for you. Otherwise you are probably paying for clicks you already own.

And kill one myth while we're here. The claim that AI Overviews now push your organic listing down on brand searches does not hold up: Ahrefs analyzed 146 million SERPs and found navigational-intent queries trigger an AI Overview just 0.9% of the time, versus 21.4% for informational queries (Ahrefs, September 2025 desktop data). Your brand term is navigational. AI Overviews are not the thing eating it — competitor ads and sitelinks are.

How do you run the two-week brand-pause test?

Pause the brand campaign for two full weeks and watch total brand clicks, paid plus organic — not paid clicks, which will obviously go to zero. Google's paid and organic report exists for exactly this: link Search Console to Google Ads and it gives you an “Ads and Organic Clicks” column and an “Ads and Organic Clicks/Query” rate per query.

• Baseline first: two weeks with brand ads on. Record paid clicks, organic clicks, total clicks, and booked calls attributed to brand queries.
• Change nothing else. No new landing page, no budget shifts, no promotions, no seasonal spike. One variable.
• Pause the brand campaign for 14 days. Leave non-brand campaigns exactly as they were.
• Compare total brand clicks and booked calls, not paid clicks and not impressions.
• Read the result: total clicks roughly flat means organic absorbed the traffic and the brand spend was cannibalizing itself. Total clicks and calls drop materially means the brand ads were incremental — keep them.
• Re-run it once a quarter, and immediately after any competitor starts bidding on you. The answer changes when the SERP changes.

Two weeks is the floor for a business with steady weekly search volume. If your brand term gets a handful of searches a day, two weeks will not produce a readable result and you should run it for a month or skip the test and spend the money on non-brand terms.

One warning: run this test only when nobody else is bidding on your name. Pausing your brand ads while a competitor is conquesting you is not a test — it is a donation.

What happens when a competitor starts bidding on you?

You have exactly three moves, and the first one is cheaper than people think. File a trademark complaint with Google — but understand what it does and does not do. It can get their ad text restricted if they used your name in it. It cannot stop them bidding on your name as a keyword, because Google's policy explicitly permits that.

Google will only accept complaints against specific advertisers it can identify by URL, and only in the countries and industries where you can demonstrate trademark rights — so an unregistered business name in one state is a weaker filing than a registered US mark. If Google upholds it, the restriction generally applies to all ads sharing that second-level domain.

Move two: bid on your own name, cheaply. Your Quality Score on your own brand term is about as high as it gets, so the click usually costs very little, and it pushes their ad down the page. Cap the budget and treat it as insurance, not growth.

Move three: ignore it and out-convert them. If their conquesting campaign sends a click to a homepage with no comparison content, most of those searchers bounce straight back to you. Watch your brand impression share and your booked calls for 60 days before you escalate. Retaliation feels good and costs money.

If you want a straight read on whether your Google Ads money is going into auctions you can actually win — brand, competitor, or neither — that is what our paid ads work starts with. No lock-in, no ranking guarantees, and if a channel produces no qualified leads in 90 days we cut it. Get my free audit.